MDV 24k BTU 20 SEER Installation instructions

Page 1
Disassembly of Super-slim Cassette
Maintenance and
Disassembly
 
1. Front Panel and Display Board
i) models except for 60k
Procedure Illustration
1) Release 2 hooks and open the panel.
(see CJ_CASSETTE_001)
2) Pull up the filter. (see CJ_
CASSETTE_002)
CJ_CASSETTE_001
CJ_CASSETTE_002
Note: This section is for reference only. Actual unit appearance may vary.

Page 2
Maintenance and
Disassembly
 
Procedure Illustration
3) Disconnect the connectors and
release the panel. (see CJ_
CASSETTE_003)
CJ_CASSETTE_003
Note: This section is for reference only. Actual unit appearance may vary.

Page 3
Maintenance and
Disassembly
 
ii) 60k models
Procedure Illustration
1) Release the 2 hooks and open the
panel. (see CJ_CASSETTE_004)
2) Turn over the panel, release the
hooks and then pull up the filter. (see
CJ_CASSETTE_005)
3) Remove the 2 screws and remove the
cover of electronic control box. (see
CJ_CASSETTE_006)
CJ_CASSETTE_004
CJ_CASSETTE_005
CJ_CASSETTE_006
Note: This section is for reference only. Actual unit appearance may vary.

Page 4
Maintenance and
Disassembly
 
Procedure Illustration
4) Disconnect the connectors of the
display board and the fan motor. (see
CJ_CASSETTE_007)
5) Remove the 4 screws and release
the 2 hooks of the panel. (see CJ_
CASSETTE_008)
CJ_CASSETTE_007
CJ_CASSETTE_008
Note: This section is for reference only. Actual unit appearance may vary.

Page 5
Maintenance and
Disassembly
 
2. Electrical parts (Antistatic gloves must be worn.)
i) models except for 60k
Procedure Illustration
1) Remove 2 screws and remove the
cover of electronic control box. (see
CJ_CASSETTE_009)
2) Remove 2 screws of the main control
board. (see CJ_CASSETTE_010)
CJ_CASSETTE_009
CJ_CASSETTE_010
Note: This section is for reference only. Actual unit appearance may vary.

Page 6
Maintenance and
Disassembly
 
Procedure Illustration
3) Disconnect the connectors and then
remove the main control board. (see
CJ_CASSETTE_011
CJ_CASSETTE_011
Note: This section is for reference only. Actual unit appearance may vary.

Page 7
Maintenance and
Disassembly
 
iii) 60k models
Procedure Illustration
1) Disconnect the connectors and then
remove the main control board. (see
CJ_CASSETTE_012)
2) Remove the 5 screws of the
electronic control box. (see CJ_
CASSETTE_012)
CJ_CASSETTE_012
Note: This section is for reference only. Actual unit appearance may vary.

Remove the 4 screws of the water
Page 8
Maintenance and
Disassembly
 
7. Water Colletor(for 60k models)
Procedure Illustration
1) Remove the 2 screws of the
ventilation ring. (see CJ_
CASSETTE_013)
2)
collector. (see CJ_CASSETTE_014)
CJ_CASSETTE_013
CJ_CASSETTE_014
Note: This section is for reference only. Actual unit appearance may vary.

Page 9
Maintenance and
Disassembly
 
3. Display Board
i) models except for 60k
Procedure Illustration
1) Remove 2 screws of display board
and remove the display board. (see
CJ_CASSETTE_015)
2) Turn over the display board, rise
3 hooks with a flat screwdriver
as shown in the figure. (see CJ_
CASSETTE_016)
CJ_CASSETTE_015
CJ_CASSETTE_016
Note: This section is for reference only. Actual unit appearance may vary.

Page 10
Maintenance and
Disassembly
 
iv) 60k models
Procedure Illustration
1) Remove the 1 screw of the display
board cover and then pull it up. (see
CJ_CASSETTE_017)
2) Turn over the panel flame, release the
3 screws of each corner. Then release
the hook of the display board. (see
CJ_CASSETTE_018)
CJ_CASSETTE_017
CJ_CASSETTE_018
Note: This section is for reference only. Actual unit appearance may vary.

Page 11
Maintenance and
Disassembly
 
Procedure Illustration
1) rotate the display board in the
direction shown in the fiure, then
take the display board down. (see
CJ_CASSETTE_019)
2) Remove the 2 screws of the step
motor and then disconnect the wire
connected to step motor. (see CJ_
CASSETTE_020)
CJ_CASSETTE_019
CJ_CASSETTE_020
Note: This section is for reference only. Actual unit appearance may vary.

Page 12
Maintenance and
Disassembly
 
4. Fan motor and fan
Procedure Illustration
1) Remove the nut of the fan and
then pull up the fan. (see CJ_
CASSETTE_021)
2) Remove 2 screws of fixing board
and 3 nuts of fan motor. (see CJ_
CASSETTE_022)
CJ_CASSETTE_021
CJ_CASSETTE_022
Note: This section is for reference only. Actual unit appearance may vary.

Remove 4 screws of the panel
Page 13
Maintenance and
Disassembly
 
5. Evaporator
Procedure Illustration
1)
and pull up the panel. (see CJ_
CASSETTE_023)
2) Remove 2 screws of pipe clamp
board. (see CJ_CASSETTE_024)
CJ_CASSETTE_023
CJ_CASSETTE_024
Note: This section is for reference only. Actual unit appearance may vary.

Remove 4 screws of the evaporator
Page 14
Maintenance and
Disassembly
 
Procedure Illustration
3)
support and then remove it. (see
CJ_CASSETTE_025)
4) Remove 2 screws of the evaporator
fixing bracket and then remove it.
(see CJ_CASSETTE_026)
CJ_CASSETTE_025
CJ_CASSETTE_026
Note: This section is for reference only. Actual unit appearance may vary.

Page 15
Maintenance and
Disassembly
 
6. Water Pump
Procedure Illustration
1) Take off the fasten belt of the water
pump. (see CJ_CASSETTE_027)
2) Pinch the metal wire in the direction
shown in the figure to release it. (see
CJ_CASSETTE_028)
CJ_CASSETTE_027
CJ_CASSETTE_028
Note: This section is for reference only. Actual unit appearance may vary.

Page 16
Maintenance and
Disassembly
 
Procedure Illustration
3) Remove 3 screws and then
remove the water pump. (see CJ_
CASSETTE_029)
CJ_CASSETTE_029
Note: This section is for reference only. Actual unit appearance may vary.